The Lenox 2110212118GR is a 5-piece Gold Reciprocating Saw Blade. It features T2 technology which enables the blade to cut faster than other blades used in the past in a variety of cutting patterns.Its blade is coated with titanium, making it last longer and more resistant to wear. Designed to work best in extreme metal cutting, this blade has 18 gold TPI's that will maintain a precise cut on thick surfaces. It has total dimensions of 12" (length) x 1" (width) x 0.042" (thickness). This 2110212118GR reciprocating blade is one of Lenox's reliable tool accessories that provides the convenience you need without spending a lot of extra effort and time normally associated with lower quality blades.